39940010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1901}}^1$

素因数の和:2110

約数の個数: 32

約数和(自身を含む): 78879744

約数和(自身を除く): 38939734

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 955, 1901, 1910, 2101, 3802, 4202, 9505, 10505, 19010, 20911, 21010, 41822, 104555, 209110, 363091, 726182, 1815455, 3630910, 3994001, 7988002, 19970005, 39940010]

約数ペア:

[(1, 39940010), (2, 19970005), (5, 7988002), (10, 3994001), (11, 3630910), (22, 1815455), (55, 726182), (110, 363091), (191, 209110), (382, 104555), (955, 41822), (1901, 21010), (1910, 20911), (2101, 19010), (3802, 10505), (4202, 9505)]